Dan, the Bentley manual is correct, but if you leave the bleed valve open for at least 3-4 heating / cooling cycles, you will see the coolant level stabilise, indicating that any small air pockets have been removed.
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2001 Boxster S (triple black). Sleeping easier with LN Engineering/Flat 6 IMS upgrade, low temp thermostat & underspeed pulley.
2001 MV Agusta F4.
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